Patents by Inventor John Tumbush

John Tumbush has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Annealing materials and methods for annealing photovoltaic devices with annealing materials
    Patent number: 11929447
    Abstract: A method for annealing an absorber layer is disclosed, the method including contacting a surface of the absorber layer with an annealing material provided as a gel. The annealing material comprises cadmium chloride and a thickening agent. A viscosity of the gel of the annealing material is greater than or equal to 5 millipascal seconds.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: March 12, 2024
    Assignee: First Solar, Inc.
    Inventors: Joshua Brubaker, Joan King, Benjamin Milliron, Jay Norman, Jason Robinson, John Tumbush
  • ANNEALING MATERIALS AND METHODS FOR ANNEALING PHOTOVOLTAIC DEVICES WITH ANNEALING MATERIALS
    Publication number: 20210043794
    Abstract: A method for annealing an absorber layer is disclosed, the method including contacting a surface of the absorber layer with an annealing material provided as a gel. The annealing material comprises cadmium chloride and a thickening agent. A viscosity of the gel of the annealing material is greater than or equal to 5 millipascal seconds.
    Type: Application
    Filed: March 12, 2019
    Publication date: February 11, 2021
    Applicant: First Solar, Inc.
    Inventors: Joshua Brubaker, Joan King, Benjamin Milliron, Jay Norman, Jason Robinson, John Tumbush